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Tuesday, February 17, 2009

Celestine

Celestial looking... light sky blue..

Celestine is is a mineral consisting of strontium sulfate. The mineral is named for its occasional delicate blue color.

Celestine occurs as crystals, and also in compact massive and fibrous forms. It is mostly found in sedimentary rocks, often associated with the minerals gypsum, anhydrite, and halite.

The mineral is found worldwide, usually in small quantities. Pale blue crystal specimens are found in Madagascar.

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